Attaches to AK rifles with standard AKM receiver rail interface Puts optic on center or extremely close to center of the top cover on mil-spec built AK rifles Modular top piece allows the top to be changed to a different configuration later if desired Constructed from hard coat anodized 6061 aluminum Feature the patented Elite Defense QD system for no tool adjustment and repeat zero locking Weight 5.8 oz 100% Made in U.S.A., with MI Lifetime Warranty